OpenTechnical

OT-2026-000039356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039356) never changes.

Identity and time

Publication numberOT-2026-000039356 · never reused
Internal UUID01a0ae78-9674-7290-a5d2-b7535ce068db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039356
StatusPUBLIC

Content hashes

Canonical textb924a5af7ac0ba74350f3fbedcb22e4646eab7ec38c707cc157d6c02e580b1fd
Markdown264396f2a0083be71a72ffd38d5e56718a6332abbddb1c719e103983340c7cd8
PDF
Publication page67ceb0f6b7b1f1d89b9cf5e205ada4e649b70dd51049f4b03fe91ad0ef15edbe
Manifest29a4fa8a0c55456a9c0f5182fc65e29765e13f946625fcf20e7465a5911c2f7c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureFJPiJxzvoeibBiY/oqBbMBt2W0Ade48vsyGv/KfLMWEW9vTxFGyygl0LG/rJsvj8fTvhh5eAZecjZeLs/kXQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:57.251864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039356
observed 67ceb0f6b7b1f1d89b9cf5e205ada4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.232876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039356/manifest.json
observed 29a4fa8a0c55456a9c0f5182fc65e297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.215183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039356/publication.md
observed 264396f2a0083be71a72ffd38d5e5671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.195712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039356/publication.txt
observed b924a5af7ac0ba74350f3fbedcb22e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.